GX16D female Socket Ceramic with Wires. CE, Rohs listed. Made of ceramic for long life and heat resistance. Used for Par 56 light bulbs. The wires are about 8 inches long. The wire is made of up to 14 AWG. The insulation is silicon rubber and the wire is tinned conductor. The wire is the same type of wire used for appliances, so it can withstand heat. Rated at 600V. The insulation diameter is 30 mils. The rated wattage is 1500 Watts. 5KV pulse rated.